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Exchange Server 2010 Design and Architecture at Microsoft

"How Microsoft does IT." är en serie dokument som är ruskigt intessant att läsa.
Det finns otroligt mycket kunskap att hämta från hur Microsoft själva sätter upp sina system. Inte minst för att se hur Microsoft har tänkt att man skall använda systmen.. :)

Nu finns äntligen dokumentet för hur Exchange 2010 sattes upp internt på Microsoft.

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Brief Description

By replacing Exchange Server 2007 servers with servers running Exchange Server 2010, Microsoft IT created new opportunities to drive down costs and system complexities while at the same time increasing security and deploying new features not available in previous versions of Exchange Server.

sedan i själva dokumentet börjar man med Executive Summary:
Microsoft Information Technology (Microsoft IT) maintains a complex Microsoft® Exchange Server environment that consists of several geographic locations and multiple Active Directory® forests. There are 16 data centers, four of which host Exchange servers, to support more than 515 office locations in 102 countries with more than 180,000 users. These users include managers, employees, contractors, business partners, and vendors. Microsoft IT transitioned this environment to Exchange Server 2010 in less than seven months by taking advantage of its growing automation infrastructure and the enhanced deployment features available in Microsoft Exchange Server 2010, in combination with proven planning, design, and deployment methodologies.

Before an Exchange Server release can ship, it has to be thoroughly tested in the production environment. The deployment of Exchange Server into the corporate environment is quicker with each release. For Exchange Server 2010, production testing began in February 2009, one year before Exchange 2010 was available. The entire company migrated to a release candidate (RC)—several months before release to manufacturing (RTM) occurred in September 2009. Microsoft IT accomplished this despite the challenge of testing the Windows® 7 operating system and Microsoft Office 2010 at the same time.

At Microsoft, Microsoft IT and the Exchange Server product group work together closely. Microsoft IT must sign off on a release before the product group can ship it to customers. This relationship is critical to identifying show-stopping factors during the release process.

This technical white paper discusses the Exchange Server 2010 architecture, design, and technologies that Microsoft IT chose for the corporate environment. This paper also discusses the strategies, procedures, successes, and practical experiences that Microsoft IT gained during the planning and design phase. Common planning and design tasks for many Exchange Server deployment projects include server design, high-availability implementation, and capacity planning. In addition to these tasks, transitioning a complex messaging environment to run on Exchange Server 2010 entails specific planning considerations regarding directory integration, routing topology, Internet connectivity, client access technologies, and unified messaging (UM).

The most important benefits that Microsoft IT achieved with the production rollout of Exchange Server 2010 included:

• A reduction in input/output per second (IOPS) of 70 percent since Microsoft Exchange Server 2007. The database optimizations of Exchange 2010 provide better performance and reduced storage costs. This results in a savings of more than 50 percent in the total cost of ownership (TCO) of storage.

• An increased Mailbox size of 5 GB for all mailboxes in the organization.

• Increased mailbox migration velocity over Exchange Server 2007, which enabled Microsoft IT to migrate the entire company much more quickly.

• Elimination of backups, which saves millions of dollars per year.

This paper contains information for business and technical decision makers who are planning to deploy Exchange Server 2010. This paper assumes that the audience is already familiar with the concepts of the Windows Server® 2008 operating system, Active Directory Domain Services (AD DS), and previous versions of Exchange Server. A high-level understanding of the new features and technologies included in Exchange Server 2010 is also helpful. Detailed product information is available in the Exchange Server 2010 Technical Library at http://technet.microsoft.com/en-us/library/bb124558.aspx.

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